Continuous CO2 monitoring began on Mauna Loa in 1958, when Charles David Keeling installed state-of-the-art instrumentation high on the remote north flank of the volcano and began carefully measuring the amount of CO2 in the air.

The National Weather Service in Honolulu has issued a high wind warning for Big Island summits until 4 a.m. Friday (March 13). Winds are coming from the west at 45-65 mph with gusts over 66 mph. A Winter weather advisory remains in effect for Big Island summits above 11,000 feet in elevation until 6 a.m. […]

The National Weather Service in Honolulu has issued a winter weather advisory and high wind warning for Big Island summits until 6 p.m. this evening (March 9). Snow and ice accumulations along with freezing fog will deposit up to one inch of new snow on Big Island summits over 12,500 feet in elevation.

The National Weather Service in Honolulu has issued a high wind warning for the summits of Mauna Loa and Mauna Kea until 6 a.m. Monday (March 9). Winds are coming from the west at 45-70 mph with localized gusts over 90 mph. The strongest winds are expected to be Sunday day and night.

The National Weather Service in Honolulu has issued a winter weather advisory for Mauna Kea and Mauna Loa above 12,500 feet until 6 a.m. Monday (March 2). Snowfall up to three inches and freezing fog is forecast for the summits. Winds are coming from the southwest at 10-15 mph with temperatures in the upper 20s. […]

The National Weather Service in Honolulu has issued a high wind warning until 6 p.m. Saturday for the summits of Mauna Kea and Mauna Loa. Winds are coming from the west at 35-60 mph with localized gusts over 80 mph on summit areas obve 11,000 feet in elevation.